Analysis
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max time kernel
58s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2023 02:13
Static task
static1
Behavioral task
behavioral1
Sample
2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe
Resource
win7-20230220-en
General
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Target
2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe
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Size
1.9MB
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MD5
cbd8b305092414c89d7c5e2b0c4975ea
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SHA1
b0800cb3962a493f783805fe8e00692fcef8edaa
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SHA256
2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0
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SHA512
f098a54828773789293762958f2330f5f00e9e91472f57386954436c204675d8e48b063ce1e3fd7a93a9b1c8cbc97adb588c30fcf1d5cad263655a59fa1aaff7
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SSDEEP
49152:EGlJfs4PMjsf2rhEjfh6aOjHAK4EuSK5dlLYp:5IrhUfgjgZEroPYp
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
FRec323.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation FRec323.exe -
Executes dropped EXE 3 IoCs
Processes:
is-79JAA.tmpFRec323.exeLvLiV3.exepid process 1268 is-79JAA.tmp 4416 FRec323.exe 4848 LvLiV3.exe -
Loads dropped DLL 1 IoCs
Processes:
is-79JAA.tmppid process 1268 is-79JAA.tmp -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 9 IoCs
Processes:
is-79JAA.tmpdescription ioc process File created C:\Program Files (x86)\FJBsoftFR\FRec323\is-OBVLD.tmp is-79JAA.tmp File created C:\Program Files (x86)\FJBsoftFR\FRec323\is-159PV.tmp is-79JAA.tmp File created C:\Program Files (x86)\FJBsoftFR\FRec323\data\is-LOEL0.tmp is-79JAA.tmp File opened for modification C:\Program Files (x86)\FJBsoftFR\FRec323\unins000.dat is-79JAA.tmp File opened for modification C:\Program Files (x86)\FJBsoftFR\FRec323\FRec323.exe is-79JAA.tmp File created C:\Program Files (x86)\FJBsoftFR\FRec323\is-V7BQ6.tmp is-79JAA.tmp File created C:\Program Files (x86)\FJBsoftFR\FRec323\is-K9A8D.tmp is-79JAA.tmp File created C:\Program Files (x86)\FJBsoftFR\FRec323\is-AP1SB.tmp is-79JAA.tmp File created C:\Program Files (x86)\FJBsoftFR\FRec323\unins000.dat is-79JAA.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 4440 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
FRec323.exepid process 4416 FRec323.exe 4416 FRec323.exe 4416 FRec323.exe 4416 FRec323.exe 4416 FRec323.exe 4416 FRec323.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 4440 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exeis-79JAA.tmpFRec323.execmd.exedescription pid process target process PID 1228 wrote to memory of 1268 1228 2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe is-79JAA.tmp PID 1228 wrote to memory of 1268 1228 2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe is-79JAA.tmp PID 1228 wrote to memory of 1268 1228 2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe is-79JAA.tmp PID 1268 wrote to memory of 4416 1268 is-79JAA.tmp FRec323.exe PID 1268 wrote to memory of 4416 1268 is-79JAA.tmp FRec323.exe PID 1268 wrote to memory of 4416 1268 is-79JAA.tmp FRec323.exe PID 4416 wrote to memory of 4848 4416 FRec323.exe LvLiV3.exe PID 4416 wrote to memory of 4848 4416 FRec323.exe LvLiV3.exe PID 4416 wrote to memory of 4848 4416 FRec323.exe LvLiV3.exe PID 4416 wrote to memory of 4576 4416 FRec323.exe cmd.exe PID 4416 wrote to memory of 4576 4416 FRec323.exe cmd.exe PID 4416 wrote to memory of 4576 4416 FRec323.exe cmd.exe PID 4576 wrote to memory of 4440 4576 cmd.exe taskkill.exe PID 4576 wrote to memory of 4440 4576 cmd.exe taskkill.exe PID 4576 wrote to memory of 4440 4576 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe"C:\Users\Admin\AppData\Local\Temp\2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Users\Admin\AppData\Local\Temp\is-5OHG2.tmp\is-79JAA.tmp"C:\Users\Admin\AppData\Local\Temp\is-5OHG2.tmp\is-79JAA.tmp" /SL4 $801CE "C:\Users\Admin\AppData\Local\Temp\2a8fdd6a69c03c5a536b9c560a65b6d25056c69416e952c51e9a3de4ed2fa2f0.exe" 1760136 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Program Files (x86)\FJBsoftFR\FRec323\FRec323.exe"C:\Program Files (x86)\FJBsoftFR\FRec323\FRec323.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\LvLiV3.exe
- Executes dropped EXE
PID:4848 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec323.exe" /f & erase "C:\Program Files (x86)\FJBsoftFR\FRec323\FRec323.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec323.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4440
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files (x86)\FJBsoftFR\FRec323\FRec323.exeFilesize
2.2MB
MD522a7ef539d268eb69323d0b438e868d5
SHA119a4e1b13693f56735b19f447c191dd6613b5761
SHA2565e137dbeafaf1a2d93a1fc9e9e8ef8fdbaf7b1b090e1d2b364e54c7676db5272
SHA5126fe638f4606ef7c2e30eb48882cca119ce2ac8e58a2a3321f3252ebaa156ce4a1591040605b73960b365711a8858ede41e502ee6b6e1625cc985f635bca4e1e0
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C:\Program Files (x86)\FJBsoftFR\FRec323\FRec323.exeFilesize
2.2MB
MD522a7ef539d268eb69323d0b438e868d5
SHA119a4e1b13693f56735b19f447c191dd6613b5761
SHA2565e137dbeafaf1a2d93a1fc9e9e8ef8fdbaf7b1b090e1d2b364e54c7676db5272
SHA5126fe638f4606ef7c2e30eb48882cca119ce2ac8e58a2a3321f3252ebaa156ce4a1591040605b73960b365711a8858ede41e502ee6b6e1625cc985f635bca4e1e0
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G1ORIWBN\dll[1].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\Temp\is-5OHG2.tmp\is-79JAA.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Local\Temp\is-5OHG2.tmp\is-79JAA.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Local\Temp\is-V6A6G.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\LvLiV3.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\LvLiV3.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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memory/1228-179-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1228-133-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1228-199-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1268-148-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
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memory/1268-180-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/1268-198-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/4416-181-0x0000000000400000-0x000000000143E000-memory.dmpFilesize
16.2MB
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memory/4416-174-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
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memory/4416-197-0x0000000000400000-0x000000000143E000-memory.dmpFilesize
16.2MB
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memory/4416-166-0x0000000000400000-0x000000000143E000-memory.dmpFilesize
16.2MB
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memory/4416-165-0x0000000000400000-0x000000000143E000-memory.dmpFilesize
16.2MB